53403356 has 12 divisors (see below), whose sum is σ = 93509640. Its totient is φ = 26686320.

The previous prime is 53403331. The next prime is 53403391. The reversal of 53403356 is 65330435.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8126 + ... + 13146.

It is an arithmetic number, because the mean of its divisors is an integer number (7792470).

Almost surely, 2^53403356 is an apocalyptic number.

It is an amenable number.

53403356 is a deficient number, since it is larger than the sum of its proper divisors (40106284).

53403356 is a wasteful number, since it uses less digits than its factorization.

53403356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7684 (or 7682 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 29.

The square root of 53403356 is about 7307.7599851117. The cubic root of 53403356 is about 376.5790741406.

The spelling of 53403356 in words is "fifty-three million, four hundred three thousand, three hundred fifty-six".